Hydrion Strips "A" 2-10
This Hydrion pH Paper provides excellent color separation in both the acid range (below pH 7) and the alkali range (above pH 7). Simply dip the strip into the test solution, then instantly compare the resulting color with the matching pH color chart.
The color chart has pH matches at [2.0][4.0][6.0][8.0][10.0]